I found out that I can select "Generic Multi-Endpoint Zigbee Switch". After pressing "configure", the child devices with the endpoints are generated. This is awesome!
However, as child devices, automatically the Generic Component Switch is selected and I cannot change it. I have to change it to Advanced Zigbee Bulb, but this is not possible. So, many features are lost. Would be great, if I could choose the type also for child devices.
Mike
